This circuit, which generates a linear sawtooth signal, can be used in a frequency-band oscilloscope. The circuit was found in the December 1992 issue of Radio Electronics magazine.
Found in 1968 Mullard documentation, this circuit uses period components. The transistors are...
This circuit is from the time when cars used contact breakers. This 80's version measures the dwell...
This circuit is from the 1990 Motorola Linear Databook. The circuit can be implemented with other...